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Subject[PATCH 0/5] improvements about lowmem_reserve and /proc/zoneinfo
When tried to review below patchset from Joonsoo, I found out there's
some space to improve about lowmem_reserve and /proc/zoneinfo printing.
So made this patchset to do it.

[PATCH v3 0/2] integrate classzone_idx and high_zoneidx

Baoquan He (5):
mm/page_alloc.c: only tune sysctl_lowmem_reserve_ratio value once when
changing it
mm/page_alloc.c: clear out zone->lowmem_reserve[] if the zone is empty
mm/vmstat.c: do not show lowmem reserve protection information of
empty zone
mm/vmstat.c: move the per-node stats to the front of /proc/zoneinfo
mm/vmstat.c: remove the useless code

mm/page_alloc.c | 13 +++++++++++--
mm/vmstat.c | 44 +++++++++++++++++---------------------------
2 files changed, 28 insertions(+), 29 deletions(-)


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